PR 14125

[deliverable/binutils-gdb.git] / gdb / NEWS

diff --git a/gdb/NEWS b/gdb/NEWS
index f89359322f137f5f9772c26333162155fee3086f..3162b84057cd1703747a4adbf503e2a8ebe69bfa 100644 (file)
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -3,6 +3,10 @@
 
 *** Changes since GDB 7.4
 
+* GDB now supports access to MIPS DSP registers on Linux targets.
+
+* GDB now supports debugging microMIPS binaries.
+
 * The "info os" command on GNU/Linux can now display information on
   several new classes of objects managed by the operating system:
     "info os procgroups" lists process groups
@@ -53,6 +57,9 @@
      which return the global and static blocks (as gdb.Block objects),
      of the underlying symbol table, respectively.
 
+  ** New function gdb.find_pc_line which returns the gdb.Symtab_and_line
+     object associated with a PC value.
+
 * Go language support.
   GDB now supports debugging programs written in the Go programming
   language.
@@ -105,11 +112,21 @@
   the ability to set breakpoints on inlined functions will be lost
   in symbol files with older .gdb_index sections.
 
+  The .gdb_index section has also been updated to record more information
+  about each symbol.  This speeds up the "info variables", "info functions"
+  and "info types" commands when used with programs having the .gdb_index
+  section, as well as speeding up debugging with shared libraries using
+  the .gdb_index section.
+
 * Ada support for GDB/MI Variable Objects has been added.
 
 * GDB can now support 'breakpoint always-inserted mode' in 'record'
   target.
 
+* MI changes
+
+  ** New command -info-os is the MI equivalent of "info os".
+
 * New commands
 
   ** "catch load" and "catch unload" can be used to stop when a shared
@@ -139,6 +156,22 @@
      "info auto-load python-scripts", "set auto-load python-scripts on|off"
      and "show auto-load python-scripts" counterparts instead.
 
+  ** "dprintf location,format,args..." creates a dynamic printf, which
+     is basically a breakpoint that does a printf and immediately
+     resumes your program's execution, so it is like a printf that you
+     can insert dynamically at runtime instead of at compiletime.
+
+  ** "set print symbol"
+     "show print symbol"
+     Controls whether GDB attempts to display the symbol, if any,
+     corresponding to addresses it prints.  This defaults to "on", but
+     you can set it to "off" to restore GDB's previous behavior.
+
+* Deprecated commands
+
+  ** For the Renesas Super-H architecture, the "regs" command has been
+     deprecated, and "info all-registers" should be used instead.
+
 * New targets
 
 Renesas RL78                   rl78-*-elf
@@ -152,6 +185,14 @@ HP OpenVMS ia64                    ia64-hp-openvms*
 
 * New options
 
+set mips compression
+show mips compression
+  Select the compressed ISA encoding used in functions that have no symbol
+  information available.  The encoding can be set to either of:
+    mips16
+    micromips
+  and is updated automatically from ELF file flags if available.
+
 set breakpoint condition-evaluation
 show breakpoint condition-evaluation
   Control whether breakpoint conditions are evaluated by GDB ("host") or by
@@ -183,6 +224,7 @@ show auto-load libthread-db
   Control auto-loading of inferior specific thread debugging shared library.
 
 set auto-load scripts-directory <dir1>[:<dir2>...]
+show auto-load scripts-directory
   Set a list of directories from which to load auto-loaded scripts.
   Automatically loaded Python scripts and GDB scripts are located in one
   of the directories listed by this option.
@@ -197,12 +239,27 @@ set debug auto-load on|off
 show debug auto-load
   Control display of debugging info for auto-loading the files above.
 
+set dprintf-style gdb|call
+show dprintf-style
+  Control the way in which a dynamic printf is performed; "gdb" requests
+  a GDB printf command, while "call" causes dprintf to call a function
+  in the inferior.
+
+set dprintf-function <expr>
+show dprintf-function
+set dprintf-channel <expr>
+show dprintf-channel
+  Set the function and optional first argument to the call when using
+  the "call" style of dynamic printf.
+
 * New configure options
 
 --with-auto-load-dir
   Configure default value for the 'set auto-load scripts-directory'
-  setting above.  It defaults to '$ddir/auto-load', $ddir representing
-  GDB's data directory (available via show data-directory).
+  setting above.  It defaults to '$debugdir:$datadir/auto-load',
+  $debugdir representing global debugging info directories (available
+  via 'show debug-file-directory') and $datadir representing GDB's data
+  directory (available via 'show data-directory').
 
 --with-auto-load-safe-path
   Configure default value for the 'set auto-load safe-path' setting